124142403 has 16 divisors (see below), whose sum is σ = 206366976. Its totient is φ = 64489440.

The previous prime is 124142401. The next prime is 124142423. The reversal of 124142403 is 304241421.

It is not a de Polignac number, because 124142403 - 2¹ = 124142401 is a prime.

It is a super-2 number, since 2×124142403² = 30822672445228818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 124142403.

It is not an unprimeable number, because it can be changed into a prime (124142401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268476 + ... + 268937.

It is an arithmetic number, because the mean of its divisors is an integer number (12897936).

Almost surely, 2^124142403 is an apocalyptic number.

124142403 is a deficient number, since it is larger than the sum of its proper divisors (82224573).

124142403 is a wasteful number, since it uses less digits than its factorization.

124142403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537434.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 124142403 is about 11141.9209744101. The cubic root of 124142403 is about 498.8539123065.

Adding to 124142403 its reverse (304241421), we get a palindrome (428383824).

The spelling of 124142403 in words is "one hundred twenty-four million, one hundred forty-two thousand, four hundred three".